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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

Stores data elements based on an sequential, most commonly 0 based, index.
Based on tuples from set theory.

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

	#####################
	#...................#
	#...................#
	#...................#
	#...................#
	#...................#
	#...................#
	#...................#
	#.........C.C.......#
	#..P.....T..T.......#

	#!/usr/bin/env ruby
	puts %r{ a+ # Some a characters
	[0-9]+ # Some numbers
	:[0-9] # A colon then a number
	}x =~ "aaa23:7"

	# This is functionally equivalent puts /a+[0-9]+:[0-9]/ =~ "aaa23:7"

	= 1
	= +
	= * +
	= *
	=
	[ *( + )+ ,
	= * + ,
	= * + - ,
	,
	= + ,

	-----BEGIN PRIVATE KEY-----
	MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDTTPFwSiVbQMiA
	Dv7Hz4fdNTdUWOM/5ek5haG99iqe2D6DQqW6kWVRkFkEoBq0WdHq2jfcuCgFxEDz
	EviHtiPX8ZGX59XXacQrUeUtUwVriXf086A6l3grF8NOVOWkMWYadZosPNFQwaf4
	O89f4rTusacdzXH/OER62JAY9464ci3LXfyjrFIQGAFYb0YyxA/lWUKvBICNh8TN
	XU8XAyzIM30/YQfmA3VbqHcIgLrPSWQO6KK9f9VyTX4705753lLIYc4JgIYGL7TU
	I54c272q2cf6rWGIX1PtfVzVv3fdTqPyjAwBCD3Z2zQLaA1P2gCRbpAb4+fBHmrJ
	IhT7UcKhAgMBAAECggEAW74xqkaXN6rGI0vfdZP28qXTcyzw5mKFw/LwihEi6jsL
	0WQTnxDYA/T/oZF+ZsYE7cp3rL7MqcxPQvr+q7X6lB0P0PvZDiGfCgwRzH8agFl8
	mv9Yl3gCtfsoUo9r8cF9Con7Oa/iVgTvUElvvbsqQeUioT79ewnMOeZjkmOSNSSb